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പ്രമാണം:Al,13 | |||||||||||||||
Aluminium | |||||||||||||||
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Pronunciation |
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Appearance | silvery | ||||||||||||||
Aluminium ആവർത്തനപ്പട്ടികയിൽ | |||||||||||||||
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ഗ്രൂപ്പ് | group 13 (boron group) | ||||||||||||||
പിരീഡ് | period 3 | ||||||||||||||
ബ്ലോക്ക് | p-block | ||||||||||||||
ഇലക്ട്രോൺ വിന്യാസം | [Ne] 3s2 3p1 | ||||||||||||||
Electrons per shell | 2, 8, 3 | ||||||||||||||
Physical properties | |||||||||||||||
Phase at STP | solid | ||||||||||||||
ദ്രവണാങ്കം | 933.47 K (660.32 °C, 1220.58 °F) | ||||||||||||||
ക്വഥനാങ്കം | 2792 K (2519 °C, 4566 °F) | ||||||||||||||
Density (near r.t.) | 2.70 g/cm3 | ||||||||||||||
when liquid (at m.p.) | 2.375 g/cm3 | ||||||||||||||
ദ്രവീകരണ ലീനതാപം | 10.71 kJ/mol | ||||||||||||||
Heat of vaporization | 294.0 kJ/mol | ||||||||||||||
Molar heat capacity | 24.200 J/(mol·K) | ||||||||||||||
Vapor pressure
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Atomic properties | |||||||||||||||
Oxidation states | −2, −1, +1,[1] +2,[2] +3 (an amphoteric oxide) | ||||||||||||||
Electronegativity | Pauling scale: 1.61 | ||||||||||||||
അയോണീകരണ ഊർജം |
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ആറ്റോമിക ആരം | empirical: 125 pm calculated: 118 pm | ||||||||||||||
കൊവാലന്റ് റേഡിയസ് | 118 pm | ||||||||||||||
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Other properties | |||||||||||||||
Natural occurrence | primordial | ||||||||||||||
ക്രിസ്റ്റൽ ഘടന | face centered cubic 0.40494 nm [[File:face centered cubic 0.40494 nm|frameless|alt=Face centered cubic 0.40494 nm crystal structure for aluminium|upright=0.23]] | ||||||||||||||
Speed of sound thin rod | (rolled) 5000 m/s (at r.t.) | ||||||||||||||
Thermal expansion | 23.1 µm/(m⋅K) (at 25 °C) | ||||||||||||||
താപചാലകത | 237 W/(m⋅K) | ||||||||||||||
Electrical resistivity | 26.50 n Ω⋅m (at 20 °C) | ||||||||||||||
കാന്തികത | paramagnetic | ||||||||||||||
Young's modulus | 70 GPa | ||||||||||||||
Shear modulus | 26 GPa | ||||||||||||||
ബൾക്ക് മോഡുലസ് | 76 GPa | ||||||||||||||
Poisson ratio | 0.35 | ||||||||||||||
Mohs hardness | 2.75 | ||||||||||||||
Vickers hardness | 167 MPa | ||||||||||||||
Brinell hardness | 245 MPa | ||||||||||||||
സി.എ.എസ് നമ്പർ | 7429-90-5 | ||||||||||||||
Isotopes of aluminium | |||||||||||||||
Template:infobox aluminium isotopes does not exist | |||||||||||||||
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